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// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#include "vm/isolate.h"
#include "vm/object.h"
#include "vm/regexp.h"
#include "vm/regexp_assembler_ir.h"
#include "vm/unit_test.h"
namespace dart {
static ArrayPtr Match(const String& pat, const String& str) {
Thread* thread = Thread::Current();
Zone* zone = thread->zone();
const RegExp& regexp =
RegExp::Handle(RegExpEngine::CreateRegExp(thread, pat, RegExpFlags()));
const Smi& idx = Object::smi_zero();
return IRRegExpMacroAssembler::Execute(regexp, str, idx, /*sticky=*/false,
zone);
}
ISOLATE_UNIT_TEST_CASE(RegExp_OneByteString) {
uint8_t chars[] = {'a', 'b', 'c', 'b', 'a'};
intptr_t len = ARRAY_SIZE(chars);
const String& str =
String::Handle(OneByteString::New(chars, len, Heap::kNew));
const String& pat = String::Handle(String::New("bc"));
const Array& res = Array::Handle(Match(pat, str));
EXPECT_EQ(2, res.Length());
const Object& res_1 = Object::Handle(res.At(0));
const Object& res_2 = Object::Handle(res.At(1));
EXPECT(res_1.IsSmi());
EXPECT(res_2.IsSmi());
const Smi& smi_1 = Smi::Cast(res_1);
const Smi& smi_2 = Smi::Cast(res_2);
EXPECT_EQ(1, smi_1.Value());
EXPECT_EQ(3, smi_2.Value());
}
ISOLATE_UNIT_TEST_CASE(RegExp_TwoByteString) {
uint16_t chars[] = {'a', 'b', 'c', 'b', 'a'};
intptr_t len = ARRAY_SIZE(chars);
const String& str =
String::Handle(TwoByteString::New(chars, len, Heap::kNew));
const String& pat = String::Handle(String::New("bc"));
const Array& res = Array::Handle(Match(pat, str));
EXPECT_EQ(2, res.Length());
const Object& res_1 = Object::Handle(res.At(0));
const Object& res_2 = Object::Handle(res.At(1));
EXPECT(res_1.IsSmi());
EXPECT(res_2.IsSmi());
const Smi& smi_1 = Smi::Cast(res_1);
const Smi& smi_2 = Smi::Cast(res_2);
EXPECT_EQ(1, smi_1.Value());
EXPECT_EQ(3, smi_2.Value());
}
static void NoopFinalizer(void* isolate_callback_data, void* peer) {}
ISOLATE_UNIT_TEST_CASE(RegExp_ExternalOneByteString) {
uint8_t chars[] = {'a', 'b', 'c', 'b', 'a'};
intptr_t len = ARRAY_SIZE(chars);
const String& str = String::Handle(ExternalOneByteString::New(
chars, len, NULL, 0, NoopFinalizer, Heap::kNew));
const String& pat = String::Handle(String::New("bc"));
const Array& res = Array::Handle(Match(pat, str));
EXPECT_EQ(2, res.Length());
const Object& res_1 = Object::Handle(res.At(0));
const Object& res_2 = Object::Handle(res.At(1));
EXPECT(res_1.IsSmi());
EXPECT(res_2.IsSmi());
const Smi& smi_1 = Smi::Cast(res_1);
const Smi& smi_2 = Smi::Cast(res_2);
EXPECT_EQ(1, smi_1.Value());
EXPECT_EQ(3, smi_2.Value());
}
ISOLATE_UNIT_TEST_CASE(RegExp_ExternalTwoByteString) {
uint16_t chars[] = {'a', 'b', 'c', 'b', 'a'};
intptr_t len = ARRAY_SIZE(chars);
const String& str = String::Handle(ExternalTwoByteString::New(
chars, len, NULL, 0, NoopFinalizer, Heap::kNew));
const String& pat = String::Handle(String::New("bc"));
const Array& res = Array::Handle(Match(pat, str));
EXPECT_EQ(2, res.Length());
const Object& res_1 = Object::Handle(res.At(0));
const Object& res_2 = Object::Handle(res.At(1));
EXPECT(res_1.IsSmi());
EXPECT(res_2.IsSmi());
const Smi& smi_1 = Smi::Cast(res_1);
const Smi& smi_2 = Smi::Cast(res_2);
EXPECT_EQ(1, smi_1.Value());
EXPECT_EQ(3, smi_2.Value());
}
} // namespace dart